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Published on: December 27, 2016
The Use of Commercially Available Alpha-Amylase Compounds to Inhibit and Remove Staphylococcus aureus Biofilms
Bradford Craigen1, Aliza Dashiff, Daniel E Kadouri
1Department of Oral Biology, University of Medicine and Dentistry of New Jersey, Newark, NJ, 07101, USA.
Abstract:
Staphylococcus aureus, a versatile human pathogen, is commonly associated with medical device infections. Its capacity to establish and maintain these infections is thought to be related to its ability to form adherent biofilms. In this study, commercially available α-amylase compounds from various biological sources were evaluated for their ability to reduce and prevent biofilm formation of several S. aureus isolates. Our data demonstrates that α-amylase compounds can rapidly detach biofilms of S. aureus, as well as inhibit biofilm formation. Our data also demonstrates that α-amylase compounds have an ability to reduce and disassociate S. aureus cell-aggregates grown in liquid suspension. These findings suggest that commercially available α-amylase compounds could be used in the future to control S. aureus biofilm-related infections.
Insights
Alpha-amylase compounds effectively combat Staphylococcus aureus biofilms. These compounds can prevent new biofilm formation and detach existing ones, offering a potential strategy for treating related infections.
Area of Science:
- Microbiology
- Biochemistry
- Infectious Diseases
Background:
- Staphylococcus aureus is a significant human pathogen.
- Biofilm formation by S. aureus is crucial for medical device infections.
- Controlling S. aureus biofilms is a clinical challenge.
Purpose of the Study:
- To evaluate the efficacy of alpha-amylase compounds against Staphylococcus aureus biofilms.
- To determine if alpha-amylase can inhibit biofilm formation and detach existing biofilms.
Main Methods:
- Commercially available alpha-amylase compounds were tested.
- Various S. aureus isolates were used.
- Biofilm formation and detachment assays were performed.
Main Results:
- Alpha-amylase compounds demonstrated rapid detachment of S. aureus biofilms.
- These compounds also inhibited the formation of new biofilms.
- Alpha-amylase reduced and dissociated S. aureus cell aggregates in liquid culture.
Conclusions:
- Alpha-amylase compounds show promise in controlling S. aureus biofilm infections.
- These compounds could be a future therapeutic option for medical device-related infections.
- Further research into alpha-amylase for S. aureus infection control is warranted.
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